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-rw-r--r--rtl/core/control/control.sv3
1 files changed, 2 insertions, 1 deletions
diff --git a/rtl/core/control/control.sv b/rtl/core/control/control.sv
index c2484ef..0f5b067 100644
--- a/rtl/core/control/control.sv
+++ b/rtl/core/control/control.sv
@@ -83,7 +83,8 @@ module core_control
assign next_pc_visible = fetch_insn_pc + 2;
assign next_bubble =
- ((dec_update_flags || dec_conditional) && (final_update_flags || update_flags))
+ (final_writeback && final_rd == `R15)
+ || ((dec_update_flags || dec_conditional) && (final_update_flags || update_flags))
|| (final_writeback && ((dec_uses_rn && (final_rd == dec_data.rn || dec_data.rn == `R15))
|| final_rd == dec_snd.r || dec_snd.r == `R15));